_:b57627860	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/58cbc0670852d81fd0a4fa6bedd02a019af583b1/0> .
_:b57627860	<http://www.w3.org/ns/oa#hasSelector>	_:b57627861 .
_:b57627861	<http://www.w3.org/ns/oa#exact>	"sleep quality" .
_:b57627861	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .